Function callback inline

// don't change this code
function emotions(myString, myFunc) {
    console.log("I am " + myString + ", " + myFunc(2));
}

emotions("happy", function (num){
    var x = 1;
    var output = "";
    while ( x <= num ){
        output += "ha";
        x++;
    }
    return output + "!";
});